The ICU is in any operational mode.
| Description | tc | tm | params | VxWorks |
| Description | tc | tm | params | VxWorks |
| coninued on next page | ||||
| Change to ICU mode 2 (``idle mode'') | h9002 | tc_mode 2 | ||
| Change to ICU mode 4 (``engineering mode'') | h9004 | tc_mode 4 | ||
| Request dichroic move to the prime position | h7650 | h370=-1 h375=0 | tc_dm_direction -1,0 | |
| Move dichroic | h5650 | tc_dm_move | ||
| Wait for TMPSU event | 92600 | h7010=``dich @ req pos'' | ||
| Examine HK | 90000 | h5275=-31 | ||
| Return to ICU mode 2 (``idle mode'') | h9002 | tc_mode 2 | ||
The ICU is in ``idle'' mode.